Dictionary
Words, grammatical forms and meanings linked to the ontology.
full screw en · NOUN
Meanings
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(UK, slang) A corporal.
It was especially important when I was promoted to the rank of staff sergeant, with all its additional responsibilities. I'd loved being a fullscrew – a corporal – because I was still one of the lads and didn’t have too much else to think about.
2016, Chris Graham, Five Minutes of Amazing: My Journey Through Dementia, London: Sphere, →ISBN, page 111:
Forms
Coordinates
lance-jack